Negative because it is below sea level.
The last resort because you have no more options
-8 = -7x-1
bring -1 to the other side as we are isolating for x so it will be
-7 = -7x then divide -7 from each side
-7/-7 = (-7/-7)x
1 = x
Answer is f(1)= -8
3+5+2+6=16 in each bag multiply or divide sorry not that much of an answer
